I think everyone should criticise Israel in their own name. It sends a message. The more people who stand up the easier it gets. But that said if you have a lot to lose, don't. I'm just a nobody and if I need work I know people that will employ me just because I'm outspoken against Israel and my own government. I know lots of hippies and homesteading preppers. And outside of criticising Israel, nothing else requires that kind of action and most people are better off practicing pseudonymity online.